<!--
 * @FilePath: 05周期函数.html
 * @Author: 苏苏少年
 * @Date: 2022-12-05 21:26:52
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <button onclick="cycle()">定期执行函数</button>
</body>
<script>
    function cycle(){
       setInterval(function(){
            console.log("hello");
       },1000)
    }
</script>
</html>